c) For water pipelines 30-inch and larger in diameter, provide a minimum of twenty (20) feet. separation OD to OD of the two pipelines. d) Horizontal separation between the existing and proposed water pipelines may have to be. increased when the pipeline is within the zone of influence of existing concrete blocking.
Cultural diffusion is a change process where the values and  cultural constructs of one group are passed to another group.  Cultural leveling refers to the process by which â¦ cultures lose  their identity and become similar to one another.
3. transculturation. Diffusion is the movement of things and ideas from one culture to another. When diffusion occurs, the form of a trait may move from one society to another but not its original cultural meaning.